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Part one of a long Mailbag video:

https://youtu.be/ZQ_fbPkNGfs

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Mailbag Part 1

Part one of a long Mailbag video. 00:02:28 Arduino Mini 00:02:29 Nicla Sense Me 00:05:37 25kHz Ultrasonic Power Tools 00:08:16 TC66 USB-C Tester, USB-C Notebook adapter 00:12:40 SDR Transceiver Pluto plus 00:15:14 403MHz / 433MHz Filter, Power Splitter Links: Arduino Mini : https://store.arduino.cc/products/uno-mini-le Nicla Sense Me : https://store.arduino.cc/products/nicla-sense-me?queryID=undefined 25kHz Ultrasonic Transducer : https://www.aliexpress.com/item/32905854012.html 25kHz Ultrasonic amplifier : https://s.click.aliexpress.com/e/_AYvtBQ TC66 USB-C Tester : https://s.click.aliexpress.com/e/_AKXYr2 Surface USB-C Adapter : https://s.click.aliexpress.com/e/_AXVUpI USB-C Charger : https://s.click.aliexpress.com/e/_A3jx9S Pluto Plus : https://s.click.aliexpress.com/e/_ApGRMu Adalm Pluto : https://amzn.to/3qyQ9oA or https://www.mouser.ch/ProductDetail/Analog-Devices/ADALM-PLUTO?qs=xbccQsLEe0ffoUoi%2FjfIWA%3D%3D 403MHz Filter : https://s.click.aliexpress.com/e/_AkrT6k 433MHz Filter : https://s.click.aliexpress.com/e/_Ae6pt6 Power Splitter : https://s.click.aliexpress.com/e/_A6Z7O4 RTL-SDR Dongle (De Luxe) : https://www.aliexpress.com/item/32939551915.html RTL-SDR Dongle (Cheap) : https://s.click.aliexpress.com/e/_9JQGAC The links above usually are affiliate links that support the channel (no additional cost for you). Supporting Material and Blog Page: http://www.sensorsiot.org Github: https://www.github.com/sensorsiot My Patreon Page: https://www.patreon.com/AndreasSpiess Discord: https://discord.gg/JfgDSa8 If you want to support the channel, please use the links below to start your shopping. No additional charges for you, but I get a commission of your purchases to buy new stuff for the channel My Amazon.com shop: https://www.amazon.com/shop/andreasspiess For Banggood https://bit.ly/2jAQEf4 For AliExpress: http://bit.ly/2B0yTLL For Amazon.de: http://amzn.to/2r0ZCYI For Amazon UK: http://amzn.to/2mxBaJf For ebay.com: http://ebay.to/2DuYXBp https://www.facebook.com/profile.php?id=100013947273409 https://twitter.com/spiessa https://www.instructables.com/member/Andreas%20Spiess/ Please do not try to email me. This communication channel is reserved for my primary job As an Amazon Associate, I earn from qualifying purchases #no#midroll#ads

Comments

Anonymous

Nice mailbag. And be very careful for the poor cat... "Cats have excellent hearing and can detect an extremely broad range of frequencies. [...] detecting frequencies from 55 Hz up to 79 kHz. [...] Cat hearing is also extremely sensitive and is among the best of any mammal, being most acute in the range of 500 Hz to 32 kHz." (wikipedia 'hearing range').

AndreasSpiess

Hi Nic, Thank you for the warning. I was not aware that cats also hear such frequencies. So I definitively have to pay attention.

Anonymous

Yes, I just had the same thought ☺️ actually when watching I thought she's part of that experiment until you pulled out the giant ultrasonic emitter. 😅 The USB power meter looks very useful indeed. Thank you for showing!

AndreasSpiess

Gi Gun ter, Quite a few viewers warned me about the cat. I was not aware. So I will pay attention that she is not around.